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shorter and cleaner code; MC doesn't destroy interpolated pictures now, so they can be re-used (TODO)
// 30.10.2002 corrected qpel chroma rounding
// 04.10.2002 added qpel support to MBMotionCompensation
// 01.05.2002 updated MBMotionCompensationBVOP
// 14.04.2002 bframe compensation
#include "../encoder.h"
#include "../utils/mbfunctions.h"
#include "../image/interpolate8x8.h"
#include "../image/reduced.h"
#include "../utils/timer.h"
#include "motion.h"
static __inline void
compensate16x16_interpolate(int16_t * const dct_codes,
uint8_t * const cur,
const uint8_t * const ref,
const uint8_t * const refh,
const uint8_t * const refv,
const uint8_t * const refhv,
uint8_t * const tmp,
uint32_t x,
uint32_t y,
const int32_t dx,
const int32_t dy,
const uint32_t stride,
const int quarterpel,
const int reduced_resolution,
const uint32_t rounding)
{
const uint8_t * ptr;
if (!reduced_resolution) {
if(quarterpel) {
if (dx&3 | dy&3) {
interpolate16x16_quarterpel(tmp - y * stride - x,
(uint8_t *) ref, tmp + 32,
tmp + 64, tmp + 96, x, y, dx, dy, stride, rounding);
ptr = tmp;
} else ptr = ref + (y + dy/4)*stride + x + dx/4; // fullpixel position
} else ptr = get_ref(ref, refh, refv, refhv, x, y, 1, dx, dy, stride);
transfer_8to16sub(dct_codes, cur + y * stride + x,
ptr, stride);
transfer_8to16sub(dct_codes+64, cur + y * stride + x + 8,
ptr + 8, stride);
transfer_8to16sub(dct_codes+128, cur + y * stride + x + 8*stride,
ptr + 8*stride, stride);
transfer_8to16sub(dct_codes+192, cur + y * stride + x + 8*stride+8,
ptr + 8*stride + 8, stride);
} else { //reduced_resolution
x *= 2; y *= 2;
ptr = get_ref(ref, refh, refv, refhv, x, y, 1, dx, dy, stride);
filter_18x18_to_8x8(dct_codes, cur+y*stride + x, stride);
filter_diff_18x18_to_8x8(dct_codes, ptr, stride);
filter_18x18_to_8x8(dct_codes+64, cur+y*stride + x + 16, stride);
filter_diff_18x18_to_8x8(dct_codes+64, ptr + 16, stride);
filter_18x18_to_8x8(dct_codes+128, cur+(y+16)*stride + x, stride);
filter_diff_18x18_to_8x8(dct_codes+128, ptr + 16*stride, stride);
filter_18x18_to_8x8(dct_codes+192, cur+(y+16)*stride + x + 16, stride);
filter_diff_18x18_to_8x8(dct_codes+192, ptr + 16*stride + 16, stride);
transfer32x32_copy(cur + y*stride + x, ptr, stride);
}
}
static __inline void
compensate8x8_interpolate( int16_t * const dct_codes,
uint8_t * const cur,
const uint8_t * const ref,
const uint8_t * const refh,
const uint8_t * const refv,
const uint8_t * const refhv,
uint8_t * const tmp,
uint32_t x,
uint32_t y,
const int32_t dx,
const int32_t dy,
const uint32_t stride,
const uint32_t quarterpel,
const int reduced_resolution,
const uint32_t rounding)
{
const uint8_t * ptr;
if (!reduced_resolution) {
if(quarterpel) {
if (dx&3 | dy&3) {
interpolate8x8_quarterpel(tmp - y*stride - x,
(uint8_t *) ref, tmp + 32,
tmp + 64, tmp + 96, x, y, dx, dy, stride, rounding);
ptr = tmp;
} else ptr = ref + (y + dy/4)*stride + x + dx/4; // fullpixel position
} else ptr = get_ref(ref, refh, refv, refhv, x, y, 1, dx, dy, stride);
transfer_8to16sub(dct_codes, cur + y * stride + x, ptr, stride);
} else { //reduced_resolution
x *= 2; y *= 2;
ptr = get_ref(ref, refh, refv, refhv, x, y, 1, dx, dy, stride);
filter_18x18_to_8x8(dct_codes, cur+y*stride + x, stride);
filter_diff_18x18_to_8x8(dct_codes, ptr, stride);
transfer16x16_copy(cur + y*stride + x, ptr, stride);
}
}
/* XXX: slow, inelegant... */
static void
interpolate18x18_switch(uint8_t * const cur,
const uint8_t * const refn,
const uint32_t x,
const uint32_t y,
const int32_t dx,
const int dy,
const uint32_t stride,
const uint32_t rounding)
{
interpolate8x8_switch(cur, refn, x-1, y-1, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x+7, y-1, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x+9, y-1, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x-1, y+7, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x+7, y+7, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x+9, y+7, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x-1, y+9, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x+7, y+9, dx, dy, stride, rounding);
interpolate8x8_switch(cur, refn, x+9, y+9, dx, dy, stride, rounding);
}
static void
CompensateChroma( int dx, int dy,
const int i, const int j,
IMAGE * const Cur,
const IMAGE * const Ref,
uint8_t * const temp,
int16_t * const coeff,
const uint32_t stride,
const int rounding,
const int rrv)
{ /* uv-block-based compensation */
if (!rrv) {
transfer_8to16sub(coeff, Cur->u + 8 * j * stride + 8 * i,
interpolate8x8_switch2(temp, Ref->u, 8 * i, 8 * j,
dx, dy, stride, rounding),
stride);
transfer_8to16sub(coeff + 64, Cur->v + 8 * j * stride + 8 * i,
interpolate8x8_switch2(temp, Ref->v, 8 * i, 8 * j,
dx, dy, stride, rounding),
stride);
} else {
uint8_t * current, * reference;
current = Cur->u + 16*j*stride + 16*i;
reference = temp - 16*j*stride - 16*i;
interpolate18x18_switch(reference, Ref->u, 16*i, 16*j, dx, dy, stride, rounding);
filter_18x18_to_8x8(coeff, current, stride);
filter_diff_18x18_to_8x8(coeff, temp, stride);
transfer16x16_copy(current, temp, stride);
current = Cur->v + 16*j*stride + 16*i;
interpolate18x18_switch(reference, Ref->v, 16*i, 16*j, dx, dy, stride, rounding);
filter_18x18_to_8x8(coeff + 64, current, stride);
filter_diff_18x18_to_8x8(coeff + 64, temp, stride);
transfer16x16_copy(current, temp, stride);
}
}
void
MBMotionCompensation(MACROBLOCK * const mb,
const uint32_t i,
const uint32_t j,
const IMAGE * const ref,
const IMAGE * const refh,
const IMAGE * const refv,
const IMAGE * const refhv,
IMAGE * const cur,
int16_t * dct_codes,
const uint32_t width,
const uint32_t height,
const uint32_t edged_width,
const int quarterpel,
const int reduced_resolution,
const uint32_t rounding)
{
int32_t dx = (quarterpel ? mb->qmvs[0].x : mb->mvs[0].x);
int32_t dy = (quarterpel ? mb->qmvs[0].y : mb->mvs[0].y);
uint8_t * const tmp = refv->u;
if ( mb->mode == MODE_NOT_CODED && dx==0 && dy==0 && !reduced_resolution) { /* quick copy */
transfer16x16_copy(cur->y + 16 * (i + j * edged_width),
ref->y + 16 * (i + j * edged_width),
edged_width);
transfer8x8_copy(cur->u + 8 * (i + j * edged_width/2),
ref->u + 8 * (i + j * edged_width/2),
edged_width / 2);
transfer8x8_copy(cur->v + 8 * (i + j * edged_width/2),
ref->v + 8 * (i + j * edged_width/2),
edged_width / 2);
return;
}
if ((mb->mode == MODE_NOT_CODED || mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) /*&& !quarterpel*/) {
/* quick MODE_NOT_CODED for GMC with MV!=(0,0) is still needed */
if (reduced_resolution) {
dx = RRV_MV_SCALEUP(dx);
dy = RRV_MV_SCALEUP(dy);
}
compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, ref->y, refh->y,
refv->y, refhv->y, tmp, 16 * i, 16 * j, dx, dy,
edged_width, quarterpel, reduced_resolution, rounding);
dx /= 1 + quarterpel;
dy /= 1 + quarterpel;
dx = (dx >> 1) + roundtab_79[dx & 0x3];
dy = (dy >> 1) + roundtab_79[dy & 0x3];
} else { // mode == MODE_INTER4V
int k, sumx = 0, sumy = 0;
const VECTOR * const mvs = (quarterpel ? mb->qmvs : mb->mvs);
for (k = 0; k < 4; k++) {
dx = mvs[k].x;
dy = mvs[k].y;
sumx += dx / (1 + quarterpel);
sumy += dy / (1 + quarterpel);
if (reduced_resolution){
dx = RRV_MV_SCALEUP(dx);
dy = RRV_MV_SCALEUP(dy);
}
compensate8x8_interpolate(&dct_codes[k * 64], cur->y, ref->y, refh->y,
refv->y, refhv->y, tmp, 16 * i + 8*(k&1), 16 * j + 8*(k>>1), dx,
dy, edged_width, quarterpel, reduced_resolution, rounding);
}
dx = (sumx >> 3) + roundtab_76[sumx & 0xf];
dy = (sumy >> 3) + roundtab_76[sumy & 0xf];
}
CompensateChroma(dx, dy, i, j, cur, ref, tmp,
&dct_codes[4 * 64], edged_width / 2, rounding, reduced_resolution);
}
void
MBMotionCompensationBVOP(MBParam * pParam,
MACROBLOCK * const mb,
const uint32_t i,
const uint32_t j,
IMAGE * const cur,
const IMAGE * const f_ref,
const IMAGE * const f_refh,
const IMAGE * const f_refv,
const IMAGE * const f_refhv,
const IMAGE * const b_ref,
const IMAGE * const b_refh,
const IMAGE * const b_refv,
const IMAGE * const b_refhv,
int16_t * dct_codes)
{
const uint32_t edged_width = pParam->edged_width;
int32_t dx, dy, b_dx, b_dy, sumx, sumy, b_sumx, b_sumy;
int k;
const int quarterpel = pParam->m_quarterpel;
const uint8_t * ptr1, * ptr2;
uint8_t * const tmp = f_refv->u;
const VECTOR * const fmvs = (quarterpel ? mb->qmvs : mb->mvs);
const VECTOR * const bmvs = (quarterpel ? mb->b_qmvs : mb->b_mvs);
switch (mb->mode) {
case MODE_FORWARD:
dx = fmvs->x; dy = fmvs->y;
compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, f_ref->y, f_refh->y,
f_refv->y, f_refhv->y, tmp, 16 * i, 16 * j, dx,
dy, edged_width, quarterpel, 0, 0);
dx /= 1 + quarterpel;
dy /= 1 + quarterpel;
CompensateChroma( (dx >> 1) + roundtab_79[dx & 0x3],
(dy >> 1) + roundtab_79[dy & 0x3],
i, j, cur, f_ref, tmp,
&dct_codes[4 * 64], edged_width / 2, 0, 0);
return;
case MODE_BACKWARD:
b_dx = bmvs->x; b_dy = bmvs->y;
compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, b_ref->y, b_refh->y,
b_refv->y, b_refhv->y, tmp, 16 * i, 16 * j, b_dx,
b_dy, edged_width, quarterpel, 0, 0);
b_dx /= 1 + quarterpel;
b_dy /= 1 + quarterpel;
CompensateChroma( (b_dx >> 1) + roundtab_79[b_dx & 0x3],
(b_dy >> 1) + roundtab_79[b_dy & 0x3],
i, j, cur, b_ref, tmp,
&dct_codes[4 * 64], edged_width / 2, 0, 0);
return;
case MODE_INTERPOLATE: /* _could_ use DIRECT, but would be overkill (no 4MV there) */
case MODE_DIRECT_NO4V:
dx = fmvs->x; dy = fmvs->y;
b_dx = bmvs->x; b_dy = bmvs->y;
if (quarterpel) {
if (dx&3 | dy&3) {
interpolate16x16_quarterpel(tmp - i * 16 - j * 16 * edged_width,
(uint8_t *) f_ref->y, tmp + 32,
tmp + 64, tmp + 96, 16*i, 16*j, dx, dy, edged_width, 0);
ptr1 = tmp;
} else ptr1 = f_ref->y + (16*j + dy/4)*edged_width + 16*i + dx/4; // fullpixel position
if (b_dx&3 | b_dy&3) {
interpolate16x16_quarterpel(tmp - i * 16 - j * 16 * edged_width + 16,
(uint8_t *) b_ref->y, tmp + 32,
tmp + 64, tmp + 96, 16*i, 16*j, b_dx, b_dy, edged_width, 0);
ptr2 = tmp + 16;
} else ptr2 = b_ref->y + (16*j + b_dy/4)*edged_width + 16*i + b_dx/4; // fullpixel position
b_dx /= 2;
b_dy /= 2;
dx /= 2;
dy /= 2;
} else {
ptr1 = get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y,
i, j, 16, dx, dy, edged_width);
ptr2 = get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y,
i, j, 16, b_dx, b_dy, edged_width);
}
for (k = 0; k < 4; k++)
transfer_8to16sub2(&dct_codes[k * 64],
cur->y + (i * 16+(k&1)*8) + (j * 16+((k>>1)*8)) * edged_width,
ptr1 + (k&1)*8 + (k>>1)*8*edged_width,
ptr2 + (k&1)*8 + (k>>1)*8*edged_width, edged_width);
dx = (dx >> 1) + roundtab_79[dx & 0x3];
dy = (dy >> 1) + roundtab_79[dy & 0x3];
b_dx = (b_dx >> 1) + roundtab_79[b_dx & 0x3];
b_dy = (b_dy >> 1) + roundtab_79[b_dy & 0x3];
break;
default: // MODE_DIRECT
sumx = sumy = b_sumx = b_sumy = 0;
for (k = 0; k < 4; k++) {
dx = fmvs[k].x; dy = fmvs[k].y;
b_dx = bmvs[k].x; b_dy = bmvs[k].y;
if (quarterpel) {
sumx += dx/2; sumy += dy/2;
b_sumx += b_dx/2; b_sumy += b_dy/2;
if (dx&3 | dy&3) {
interpolate8x8_quarterpel(tmp - (i * 16+(k&1)*8) - (j * 16+((k>>1)*8)) * edged_width,
(uint8_t *) f_ref->y,
tmp + 32, tmp + 64, tmp + 96,
16*i + (k&1)*8, 16*j + (k>>1)*8, dx, dy, edged_width, 0);
ptr1 = tmp;
} else ptr1 = f_ref->y + (16*j + (k>>1)*8 + dy/4)*edged_width + 16*i + (k&1)*8 + dx/4;
if (b_dx&3 | b_dy&3) {
interpolate8x8_quarterpel(tmp - (i * 16+(k&1)*8) - (j * 16+((k>>1)*8)) * edged_width + 16,
(uint8_t *) b_ref->y,
tmp + 16, tmp + 32, tmp + 48,
16*i + (k&1)*8, 16*j + (k>>1)*8, b_dx, b_dy, edged_width, 0);
ptr2 = tmp + 16;
} else ptr2 = b_ref->y + (16*j + (k>>1)*8 + b_dy/4)*edged_width + 16*i + (k&1)*8 + b_dx/4;
} else {
sumx += dx; sumy += dy;
b_sumx += b_dx; b_sumy += b_dy;
ptr1 = get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y,
2*i + (k&1), 2*j + (k>>1), 8, dx, dy, edged_width);
ptr2 = get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y,
2*i + (k&1), 2*j + (k>>1), 8, b_dx, b_dy, edged_width);
}
transfer_8to16sub2(&dct_codes[k * 64],
cur->y + (i * 16+(k&1)*8) + (j * 16+((k>>1)*8)) * edged_width,
ptr1, ptr2, edged_width);
}
dx = (sumx >> 3) + roundtab_76[sumx & 0xf];
dy = (sumy >> 3) + roundtab_76[sumy & 0xf];
b_dx = (b_sumx >> 3) + roundtab_76[b_sumx & 0xf];
b_dy = (b_sumy >> 3) + roundtab_76[b_sumy & 0xf];
break;
}
// uv block-based chroma interpolation for direct and interpolate modes
transfer_8to16sub2(&dct_codes[4 * 64],
cur->u + (j * 8) * edged_width / 2 + (i * 8),
interpolate8x8_switch2(tmp, b_ref->u, 8 * i, 8 * j,
b_dx, b_dy, edged_width / 2, 0),
interpolate8x8_switch2(tmp + 8, f_ref->u, 8 * i, 8 * j,
dx, dy, edged_width / 2, 0),
edged_width / 2);
transfer_8to16sub2(&dct_codes[5 * 64],
cur->v + (j * 8) * edged_width / 2 + (i * 8),
interpolate8x8_switch2(tmp, b_ref->v, 8 * i, 8 * j,
b_dx, b_dy, edged_width / 2, 0),
interpolate8x8_switch2(tmp + 8, f_ref->v, 8 * i, 8 * j,
dx, dy, edged_width / 2, 0),
edged_width / 2);
}
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